Tributes have been pouring in on Social media for PD Enzo, including a tweet from Derbyshire Police's armed response unit that said: "We are extremely saddened to hear about the sudden and untimely death of PD Enzo - he was a remarkable dog and you certainly knew when he was on scene.

"We send our best wishes to all the team especially to handler Max, one of the teams longest serving staff members. #RIPEnzo"